Question 1

When a partial pressure gradient exists for a gas, it will move from the area of its lower partial pressure to the area of higher partial pressure.

Accepted Answer

A) True 
 B)False

Question 2

What prevents the trachea from collapsing?

Accepted Answer

A)   The internal air pressure within the trachea
B)   The surrounding muscles
C)   The internal epithelium
D)   The C-shaped cartilaginous ringsE) A) and B)
F) All of the above

Question 3

Parasympathetic innervation to the lungs is from the ________ nerves.

Accepted Answer

vagus
10th...

Question 4

Gross & microscopic anatomy of the respiratory tract & related organs. 
-In these views of the trachea, what structure does number 2 indicate?

Accepted Answer

A)   Trachealis muscle
B)   Thyroid cartilage
C)   Cricoid cartilage
D)   Annular ligament
E)   Tracheal cartilageF) A) and D)
G) B) and C)

Question 5

The phrenic and intercostal nerves are made up primarily of autonomic nerves for smooth muscle control.

Accepted Answer

A) True 
 B)False

Question 6

Gross & microscopic anatomy of the respiratory tract & related organs. 
-In this closeup image of a lung, what structures are indicated by number 4?

Accepted Answer

A)   Respiratory bronchioles
B)   Alveolar ducts
C)   Alveoli
D)   Terminal bronchioles
E)   BronchiolesF) B) and E)
G) All of the above

Question 7

When blood passes through systemic capillaries, the oxygen saturation of hemoglobin changes

Accepted Answer

A)   from about 98% to about 75% saturated.
B)   from about 40% to about 80% saturated.
C)   from about 70% saturated to about 99% saturated.
D)   from about 99% saturated to about 25% saturated.E) A) and B)
F) B) and D)

Question 8

Hyperventilation causes generalized ________, which ________ blood flow to the brain and can result in feeling dizzy or faint.

Accepted Answer

A)   vasoconstriction; decreases
B)   vasoconstriction; increases
C)   vasodilation; decreases
D)   vasodilation; increasesE) A) and B)
F) A) and C)

Question 9

Gross & microscopic anatomy of the respiratory tract & related organs. 
-Which sinus does the number 4 indicate?

Accepted Answer

A)   Frontal sinus
B)   Maxillary sinus
C)   Ethmoidal sinus
D)   Sphenoidal sinus
E)   Sagittal sinusF) C) and D)
G) A) and B)

Question 10

What structure prevents food and drink from entering the trachea, conducts air, and produces sound?

Accepted Answer

A)   Esophagus
B)   Bronchi
C)   Pharynx
D)   Nasal cavity
E)   LarynxF) A) and C)
G) A) and E)

Question 11

Which statement is true regarding the location of the trachea?

Accepted Answer

A)   It lies superior to the esophagus, inferior to the larynx, and superior to the primary bronchi of the lungs.
B)   It lies posterior to the esophagus, inferior to the larynx, and superior to the primary bronchi of the lungs.
C)   It lies anterior to the esophagus, inferior to the larynx, and inferior to the primary bronchi of the lungs.
D)   It lies anterior to the esophagus, inferior to the larynx, and superior to the primary bronchi of the lungs.
E)   It lies superior to the esophagus, superior to the larynx, and superior to the primary bronchi of the lungs.F) B) and E)
G) A) and B)

Question 12

At the inferior end of the trachea is an internal ridge of mucosal covered cartilage that initiates a cough reflex when it is stimulated; this structure is the ________.

Accepted Answer

The answer of At the inferior end of the trachea...

Question 13

Control of pulmonary ventilation. 
-In this sagittal section showing the upper respiratory tract, what structure does number 5 indicate?

Accepted Answer

A)   Uvula
B)   Soft palate
C)   Hard palate
D)   Nasal conchae
E)   Nasal boneF) A) and E)
G) All of the above

Question 14

What is the name of the column of neurons within the medulla that initiates neural impulses for inspiration and expiration?

Accepted Answer

A)   Pontine respiratory center
B)   Ventral respiratory group
C)   Dorsal respiratory group
D)   Phrenic nucleusE) A) and D)
F) A) and C)

Question 15

A buildup of fluid in the lungs caused by pneumonia leads to an increase in the

Accepted Answer

A)   physiologic dead space.
B)   anatomic dead space.
C)   residual volume.D) All of the above
E) B) and C)

Question 16

An air passage (valley)  beneath a turbinate within the nasal cavity is referred to as a

Accepted Answer

A)   vestibule.
B)   concha.
C)   vibrissa.
D)   meatus.E) None of the above
F) B) and C)

Question 17

What type of tissue lines the trachea?

Accepted Answer

A)   Cuboidal epithelium
B)   Simple squamous epithelium
C)   Stratified squamous keratinized epithelium
D)   Stratified squamous nonkeratinized epithelium
E)   Pseudostratified ciliated columnar epitheliumF) A) and B)
G) B) and D)

Question 18

Bronchoconstriction results from relaxation of smooth muscle in the walls of airways.

Accepted Answer

A) True 
 B)False

Question 19

Which bone does not contain a paranasal sinus?

Accepted Answer

A)   Sphenoid bone
B)   Frontal bone
C)   Ethmoid bone
D)   Mandible
E)   MaxillaF) D) and E)
G) C) and D)

Question 20

Into what region of the pharynx do auditory tubes open?

Accepted Answer

A)   Oropharynx
B)   Nasopharynx
C)   LaryngopharynxD) None of the above
E) B) and C)

Exam 23: Respiratory System

Control of pulmonary ventilation. -In this sagittal section showing the upper respiratory tract, what structure does number 5 indicate?

Correct AnswerverifiedShow Answer

Which bone does not contain a paranasal sinus?

Correct AnswerverifiedShow Answer

Bronchoconstriction results from relaxation of smooth muscle in the walls of airways.

Correct AnswerverifiedShow Answer

Into what region of the pharynx do auditory tubes open?

Correct AnswerverifiedShow Answer

Gross & microscopic anatomy of the respiratory tract & related organs. -In this closeup image of a lung, what structures are indicated by number 4?

Correct AnswerverifiedShow Answer

When a partial pressure gradient exists for a gas, it will move from the area of its lower partial pressure to the area of higher partial pressure.

Correct AnswerverifiedShow Answer

What structure prevents food and drink from entering the trachea, conducts air, and produces sound?

Correct AnswerverifiedShow Answer

What type of tissue lines the trachea?

Correct AnswerverifiedShow Answer

Gross & microscopic anatomy of the respiratory tract & related organs. -Which sinus does the number 4 indicate?

Correct AnswerverifiedShow Answer

When blood passes through systemic capillaries, the oxygen saturation of hemoglobin changes

Correct AnswerverifiedShow Answer

An air passage (valley) beneath a turbinate within the nasal cavity is referred to as a

Correct AnswerverifiedShow Answer

Hyperventilation causes generalized ________, which ________ blood flow to the brain and can result in feeling dizzy or faint.

Correct AnswerverifiedShow Answer

Parasympathetic innervation to the lungs is from the ________ nerves.

Correct Answerverifiedvagus10th...View AnswerShow Answer

A buildup of fluid in the lungs caused by pneumonia leads to an increase in the

Correct AnswerverifiedShow Answer

Which statement is true regarding the location of the trachea?

Correct AnswerverifiedShow Answer

What is the name of the column of neurons within the medulla that initiates neural impulses for inspiration and expiration?

Correct AnswerverifiedShow Answer

What prevents the trachea from collapsing?

Correct AnswerverifiedShow Answer

At the inferior end of the trachea is an internal ridge of mucosal covered cartilage that initiates a cough reflex when it is stimulated; this structure is the ________.

Correct AnswerverifiedShow Answer

The phrenic and intercostal nerves are made up primarily of autonomic nerves for smooth muscle control.

Correct AnswerverifiedShow Answer

Gross & microscopic anatomy of the respiratory tract & related organs. -In these views of the trachea, what structure does number 2 indicate?

Correct AnswerverifiedShow Answer

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Hyperventilation causes generalized , which blood flow to the brain and can result in feeling dizzy or faint.

Correct Answer
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verified
vagus
10th...
View Answer

Correct Answer
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